JP4874449B2 - マルチチャンネルリンクの縮小された最大・平均振幅 - Google Patents

マルチチャンネルリンクの縮小された最大・平均振幅 Download PDF

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Publication number
JP4874449B2
JP4874449B2 JP50466599A JP50466599A JP4874449B2 JP 4874449 B2 JP4874449 B2 JP 4874449B2 JP 50466599 A JP50466599 A JP 50466599A JP 50466599 A JP50466599 A JP 50466599A JP 4874449 B2 JP4874449 B2 JP 4874449B2
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Japan
Prior art keywords
quadrature
channel
low
data
input phase
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Expired - Lifetime
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JP50466599A
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English (en)
Japanese (ja)
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JP2002504292A (ja
Inventor
ティーデマン、エドワード・ジー・ジュニア
レザイファー、ラミン
グラウザー、オリバー
チェン、タオ
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70716—Quadrature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2621—Reduction thereof using phase offsets between subcarriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Amplifiers (AREA)
  • Electron Tubes For Measurement (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
JP50466599A 1997-06-17 1998-06-16 マルチチャンネルリンクの縮小された最大・平均振幅 Expired - Lifetime JP4874449B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US87729597A 1997-06-17 1997-06-17
US08/877,295 1997-06-17
PCT/US1998/012483 WO1998058457A2 (fr) 1997-06-17 1998-06-16 Liaison multicanal a amplitude de crete a moyenne reduite

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2009035772A Division JP4589441B2 (ja) 1997-06-17 2009-02-18 マルチチャンネルリンクの縮小された最大・平均振幅

Publications (2)

Publication Number Publication Date
JP2002504292A JP2002504292A (ja) 2002-02-05
JP4874449B2 true JP4874449B2 (ja) 2012-02-15

Family

ID=25369659

Family Applications (2)

Application Number Title Priority Date Filing Date
JP50466599A Expired - Lifetime JP4874449B2 (ja) 1997-06-17 1998-06-16 マルチチャンネルリンクの縮小された最大・平均振幅
JP2009035772A Expired - Lifetime JP4589441B2 (ja) 1997-06-17 2009-02-18 マルチチャンネルリンクの縮小された最大・平均振幅

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2009035772A Expired - Lifetime JP4589441B2 (ja) 1997-06-17 2009-02-18 マルチチャンネルリンクの縮小された最大・平均振幅

Country Status (12)

Country Link
US (1) US6535478B2 (fr)
EP (4) EP2187532B1 (fr)
JP (2) JP4874449B2 (fr)
KR (1) KR100565933B1 (fr)
CN (2) CN1260917A (fr)
AT (4) ATE534195T1 (fr)
AU (1) AU7969598A (fr)
DE (3) DE69841209D1 (fr)
DK (1) DK0990313T3 (fr)
ES (4) ES2259455T3 (fr)
HK (3) HK1099139A1 (fr)
WO (1) WO1998058457A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100354337B1 (ko) * 1999-12-04 2002-09-28 한국과학기술원 대역 확산 통신 방식에서의 확산 변조 방식을 이용한송수신방식 및 송수신장치
AU2001278971A1 (en) 2000-07-21 2002-02-05 Pmc-Sierra, Ltd. Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms
US8861638B2 (en) 2011-09-26 2014-10-14 Cambridge Silicon Radio Limited Transmitter with reduced peak-to-mean amplitude ratio
US20150139657A1 (en) * 2012-05-20 2015-05-21 Erez Moshe Yahalomi High data rate transmission

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462001A (en) * 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5204876A (en) * 1991-03-13 1993-04-20 Motorola, Inc. Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
TW214620B (en) * 1992-04-13 1993-10-11 Ericsson Ge Mobile Communicat Calling channel in CDMA communications system
US5302914A (en) * 1992-10-20 1994-04-12 At&T Bell Laboratories Method and apparatus for reducing the peak-to-average power in multi-carrier RF communication systems
US5668795A (en) * 1992-11-24 1997-09-16 Stanford Telecommunications, Inc. Modulation system for spread spectrum CDMA communiction
US5448555A (en) * 1993-06-14 1995-09-05 At&T Corp. Simultaneous analog and digital communication
EP0668673B1 (fr) * 1993-09-03 2004-03-31 NTT DoCoMo, Inc. Emetteur-recepteur a multiplexage par repartition du code
JP3003839B2 (ja) * 1993-11-08 2000-01-31 エヌ・ティ・ティ移動通信網株式会社 Ｃｄｍａ通信方法および装置
US5383219A (en) * 1993-11-22 1995-01-17 Qualcomm Incorporated Fast forward link power control in a code division multiple access system
US5442625A (en) 1994-05-13 1995-08-15 At&T Ipm Corp Code division multiple access system providing variable data rate access to a user
US5838732A (en) * 1994-10-31 1998-11-17 Airnet Communications Corp. Reducing peak-to-average variance of a composite transmitted signal generated by a digital combiner via carrier phase offset
US5559788A (en) * 1994-12-29 1996-09-24 Unisys Corporation Multiple channel quadrature communication system and method
JP3444001B2 (ja) * 1995-02-10 2003-09-08 ソニー株式会社 符号検出回路
US5623485A (en) * 1995-02-21 1997-04-22 Lucent Technologies Inc. Dual mode code division multiple access communication system and method
US5793797A (en) * 1995-05-09 1998-08-11 Unisys Corporation Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
JP3161943B2 (ja) * 1995-07-07 2001-04-25 シャープ株式会社 データ復調方法およびスペクトル拡散通信システム
JPH0955714A (ja) * 1995-08-11 1997-02-25 Sharp Corp スペクトル拡散通信システム
JPH09139639A (ja) 1995-11-13 1997-05-27 Mitsubishi Electric Corp 高周波半導体増幅器
JP2780688B2 (ja) * 1995-11-15 1998-07-30 日本電気株式会社 位相変調多重化送信装置
US5930230A (en) 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US5805567A (en) * 1996-09-13 1998-09-08 Lucent Technologies Inc. Orthogonal modulation scheme
JP3311951B2 (ja) * 1996-12-20 2002-08-05 富士通株式会社 符号多重送信装置
JP3202637B2 (ja) * 1997-02-14 2001-08-27 シャープ株式会社 スペクトル直接拡散通信システムにおける相関同期回路
JPH10233753A (ja) * 1997-02-19 1998-09-02 Canon Inc スペクトラム拡散通信方法及び装置
US6044103A (en) 1997-06-17 2000-03-28 Qualcomm Inc. Reduced peak-to-average amplitude dual channel link

Also Published As

Publication number Publication date
US6535478B2 (en) 2003-03-18
ES2374696T3 (es) 2012-02-21
DE69833198T2 (de) 2006-09-21
AU7969598A (en) 1999-01-04
DE69841427D1 (de) 2010-02-11
CN1983838B (zh) 2012-06-20
WO1998058457A3 (fr) 1999-06-10
EP1612959A3 (fr) 2006-09-06
JP2002504292A (ja) 2002-02-05
US20010038605A1 (en) 2001-11-08
KR20010012534A (ko) 2001-02-15
CN1983838A (zh) 2007-06-20
ATE444602T1 (de) 2009-10-15
EP2187532A1 (fr) 2010-05-19
KR100565933B1 (ko) 2006-03-30
EP1708377A3 (fr) 2006-10-11
JP2009153182A (ja) 2009-07-09
EP0990313B1 (fr) 2006-01-11
ES2331149T3 (es) 2009-12-22
ATE453965T1 (de) 2010-01-15
HK1099139A1 (en) 2007-08-03
EP1612959B1 (fr) 2009-12-30
ES2337366T3 (es) 2010-04-23
WO1998058457A2 (fr) 1998-12-23
DE69833198D1 (de) 2006-04-06
EP1708377A2 (fr) 2006-10-04
EP1612959A2 (fr) 2006-01-04
EP2187532B1 (fr) 2011-11-16
EP0990313A2 (fr) 2000-04-05
JP4589441B2 (ja) 2010-12-01
CN1260917A (zh) 2000-07-19
DE69841209D1 (de) 2009-11-12
HK1028303A1 (en) 2001-02-09
DK0990313T3 (da) 2006-05-29
ATE534195T1 (de) 2011-12-15
EP1708377B1 (fr) 2009-09-30
HK1086957A1 (en) 2006-09-29
ATE315849T1 (de) 2006-02-15
ES2259455T3 (es) 2006-10-01

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